During their every beach vacation as Fox Prince in his speedo deflated his beach body back to normal as he avoided making Penny's inflated bikini body getting deflated back to her slim fit bikini body, her bikini body is getting inflated way bigger again as the largest beach ball for him.

From the character of the comic series, Naked Penny

Designed for  Fox King and Dragon Lord from  Rebow19

stokerbramwell (C) Penny and Friends